package com.atguigu.gulimall.coupon.service.impl;

import com.atguigu.common.to.MemberPrice;
import com.atguigu.common.to.SkuReductionTO;
import com.atguigu.common.utils.PageUtils;
import com.atguigu.common.utils.Query;
import com.atguigu.gulimall.coupon.dao.SkuFullReductionDao;
import com.atguigu.gulimall.coupon.entity.MemberPriceEntity;
import com.atguigu.gulimall.coupon.entity.SkuFullReductionEntity;
import com.atguigu.gulimall.coupon.entity.SkuLadderEntity;
import com.atguigu.gulimall.coupon.service.MemberPriceService;
import com.atguigu.gulimall.coupon.service.SkuFullReductionService;
import com.atguigu.gulimall.coupon.service.SkuLadderService;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import org.apache.commons.collections.CollectionUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;


@Service("skuFullReductionService")
public class SkuFullReductionServiceImpl extends ServiceImpl<SkuFullReductionDao, SkuFullReductionEntity> implements SkuFullReductionService {

    @Autowired
    private SkuLadderService skuLadderService;

    @Autowired
    private MemberPriceService memberPriceService;

    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<SkuFullReductionEntity> page = this.page(
                new Query<SkuFullReductionEntity>().getPage(params),
                new QueryWrapper<SkuFullReductionEntity>()
        );

        return new PageUtils(page);
    }

    @Override
    public void saveSkuReduction(SkuReductionTO skuReductionTO) {
        //1、保存满减打折，会员价
        //sku的优惠、满减等信息 ---> gulimall_sms > sms_sku_ladder/sms_sku_full_reduction/sms_member_price

        //①、sms_sku_ladder
        SkuLadderEntity skuLadderEntity = new SkuLadderEntity();
        skuLadderEntity.setSkuId(skuReductionTO.getSkuId());
        skuLadderEntity.setFullCount(skuReductionTO.getFullCount());
        skuLadderEntity.setDiscount(skuReductionTO.getDiscount());
        skuLadderEntity.setAddOther(skuReductionTO.getCountStatus());//其他属性
//        skuLadderEntity.setPrice(skuReductionTO.getPrice());
        if (skuLadderEntity.getFullCount() > 0) {
            skuLadderService.save(skuLadderEntity);
        }

        //②、sms_sku_full_reduction
        SkuFullReductionEntity skuFullReductionEntity = new SkuFullReductionEntity();
        BeanUtils.copyProperties(skuReductionTO, skuFullReductionEntity);
        if (BigDecimal.ZERO.compareTo(skuFullReductionEntity.getFullPrice()) == -1) {
            this.save(skuFullReductionEntity);
        }

        //③、sms_member_price
        List<MemberPrice> memberPrices = skuReductionTO.getMemberPrice();
        if (CollectionUtils.isNotEmpty(memberPrices)) {
            List<MemberPriceEntity> memberPriceEntities = memberPrices.stream().map(memberPrice -> {
                MemberPriceEntity memberPriceEntity = new MemberPriceEntity();
                memberPriceEntity.setSkuId(skuReductionTO.getSkuId());
                memberPriceEntity.setMemberLevelId(memberPrice.getId());
                memberPriceEntity.setMemberLevelName(memberPrice.getName());
                memberPriceEntity.setMemberPrice(memberPrice.getPrice());
                memberPriceEntity.setAddOther(1);
                return memberPriceEntity;
            }).filter(memberPriceEntity -> BigDecimal.ZERO.compareTo(memberPriceEntity.getMemberPrice()) == -1)
                    .collect(Collectors.toList());
            memberPriceService.saveBatch(memberPriceEntities);
        }

    }

}